Stub Ends – Carbon Steel & Stainless Steel, SCH10 to SCH160, ½” to 36”

These Stub Ends are essential components used in conjunction with lap joint flanges to provide a reliable and economical piping connection. Made from premium carbon steel (SA234 WPB) and stainless steel (SA403 WP304/316), these stub ends offer excellent corrosion resistance and mechanical strength. Available across a wide size range from ½ inch to 36 inches and wall thicknesses from SCH10 to SCH160, they are designed with beveled ends for optimal welding performance. Originating from trusted manufacturers in Hebei China, Taiwan, and Korea, these stub ends are widely used in oil & gas, petrochemical, water treatment, and industrial fluid systems to facilitate easy flange removal and maintenance.

Specification:

– Product Type: Stub End Fitting
– Material Grades:
 • Carbon Steel – SA234 WPB
 • Stainless Steel – SA403 WP304, SA403 WP316
– Size Range: ½” to 36” (DN15 to DN900)
– Wall Thickness: SCH10, SCH40, SCH80, SCH160
– End Preparation: Beveled ends for butt weld connection
– Standards: ANSI/ASME B16.9, ASTM A234, ASTM A403
– Surface Finish:
 • Carbon Steel – Black coated or bare metal
 • Stainless Steel – Pickled or polished finish
– Country of Origin: Hebei (China), Taiwan, Korea
– Applications: Oil & gas pipelines, petrochemical plants, industrial fluid transport, water systems
– Markings: Size, schedule, material grade, heat number
– Quality Control: Dimensional inspection and weld quality verification
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